[PATCH v2 00/21] add support for cpfl PMD in DPDK

[Zhang, Helin]

> -----Original Message-----
> From: Mingxia Liu <mingxia.liu at intel.com>
> Sent: Friday, January 13, 2023 4:19 PM
> To: dev at dpdk.org; Zhang, Qi Z <qi.z.zhang at intel.com>; Wu, Jingjing
> <jingjing.wu at intel.com>; Xing, Beilei <beilei.xing at intel.com>
> Cc: Wu, Wenjun1 <wenjun1.wu at intel.com>; Liu, Mingxia
> <mingxia.liu at intel.com>
> Subject: [PATCH v2 00/21] add support for cpfl PMD in DPDK
> 
> The patchset introduced the cpfl (Control Plane Function Library) PMD for
> Intel® IPU E2100’s Configure Physical Function (Device ID: 0x1453)
> 
> The cpfl PMD inherits all the features from idpf PMD which will follow an
> ongoing standard data plan function spec https://www.oasis-
> open.org/committees/tc_home.php?wg_abbrev=idpf
> Besides, it will also support more device specific hardware offloading
> features from DPDK’s control path (e.g.: hairpin, rte_flow …)
Can you explain a bit why idpf cannot be used for this new PCIe function? Why do you need to create a new PMD?

Thanks,
Helin
> 
> This patchset mainly focuses on idpf PMD’s equivalent features.
> To avoid duplicated code, the patchset depends on below patchsets which
> move the common part from net/idpf into common/idpf as a shared library.
> 
> This patchset is based on the idpf PMD code:
> http://patches.dpdk.org/project/dpdk/cover/20230106090501.9106-1-
> beilei.xing at intel.com/
> http://patches.dpdk.org/project/dpdk/cover/20230106091627.13530-1-
> beilei.xing at intel.com/
> http://patches.dpdk.org/project/dpdk/patch/20230113015119.3279019-2-
> wenjun1.wu at intel.com/
> http://patches.dpdk.org/project/dpdk/cover/20230111071545.504706-1-
> mingxia.liu at intel.com/
> 
> v2 changes:
>  - rebase to the new baseline.
>  - Fix rss lut config issue.
> 
> Mingxia Liu (21):
>   net/cpfl: support device initialization
>   net/cpfl: add Tx queue setup
>   net/cpfl: add Rx queue setup
>   net/cpfl: support device start and stop
>   net/cpfl: support queue start
>   net/cpfl: support queue stop
>   net/cpfl: support queue release
>   net/cpfl: support MTU configuration
>   net/cpfl: support basic Rx data path
>   net/cpfl: support basic Tx data path
>   net/cpfl: support write back based on ITR expire
>   net/cpfl: support RSS
>   net/cpfl: support Rx offloading
>   net/cpfl: support Tx offloading
>   net/cpfl: add AVX512 data path for single queue model
>   net/cpfl: support timestamp offload
>   net/cpfl: add AVX512 data path for split queue model
>   net/cpfl: add hw statistics
>   net/cpfl: add RSS set/get ops
>   net/cpfl: support single q scatter RX datapath
>   net/cpfl: add xstats ops
> 
>  MAINTAINERS                             |    9 +
>  doc/guides/nics/cpfl.rst                |   88 ++
>  doc/guides/nics/features/cpfl.ini       |   17 +
>  doc/guides/rel_notes/release_23_03.rst  |    5 +
>  drivers/net/cpfl/cpfl_ethdev.c          | 1490 +++++++++++++++++++++++
>  drivers/net/cpfl/cpfl_ethdev.h          |   95 ++
>  drivers/net/cpfl/cpfl_logs.h            |   32 +
>  drivers/net/cpfl/cpfl_rxtx.c            |  900 ++++++++++++++
>  drivers/net/cpfl/cpfl_rxtx.h            |   44 +
>  drivers/net/cpfl/cpfl_rxtx_vec_common.h |  113 ++
>  drivers/net/cpfl/meson.build            |   38 +
>  drivers/net/idpf/idpf_ethdev.c          |    3 +-
>  drivers/net/meson.build                 |    1 +
>  13 files changed, 2834 insertions(+), 1 deletion(-)  create mode 100644
> doc/guides/nics/cpfl.rst  create mode 100644
> doc/guides/nics/features/cpfl.ini  create mode 100644
> drivers/net/cpfl/cpfl_ethdev.c  create mode 100644
> drivers/net/cpfl/cpfl_ethdev.h  create mode 100644
> drivers/net/cpfl/cpfl_logs.h  create mode 100644 drivers/net/cpfl/cpfl_rxtx.c
> create mode 100644 drivers/net/cpfl/cpfl_rxtx.h  create mode 100644
> drivers/net/cpfl/cpfl_rxtx_vec_common.h
>  create mode 100644 drivers/net/cpfl/meson.build
> 
> --
> 2.25.1